Section 9.1: Add and Subtract Polynomials
Vocabulary to know:
Degree of a polynomial: is the greatest degree of its terms.
Leading coefficient: The coefficient of the first term in a polynomial when the polynomial is written so that exponents of a variable decrease from left to right.
Example:
Example:
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Rewriting a Polynomial: Polynomials must be written with exponents decreasing from left to right.
Example: Write so that the exponents decrease from left to right. Identify the degree and leading coefficient of the polynomial.
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Example 2:
Write so that the exponents decrease from left to right. Identify the degree and leading coefficient of the polynomial.
Practice:
Write the polynomial so that the exponents decrease from left to right. Identify the degree and the leading coefficient.
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Adding and Subtracting Polynomials
Find the Sum:
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Write a polynomial that represents the perimeter of the square below.
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Write a polynomial that represents the perimeter of the figure.
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Assignment: Page 557­558 #'s 17­26 all; 30­31; 38
Copy original problems! Show all steps (just like examples) for credit!!
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